#ifndef CR_H
#define CR_H

#include "bool.h"
#include "tuple.h"

typedef struct scr * cr;

cr cr_create(const char * f);

cr cr_destroy(cr c);

void cr_arr(cr c);

bool cr_fin(const cr c);

void cr_av(cr c);

tuple cr_elec(const cr c);

#endif /* CR_H */
